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SUBSEQUENT EVENTS (Details) € in Millions	Apr. 03, 2025 EUR (€)	Apr. 01, 2025 USD ($)	Apr. 04, 2025 USD ($)	Mar. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)
American Tower Corporation
Subsequent Event [Line Items]
Long-term debt				$ 34,533,400,000	$ 34,174,900,000
American Tower Corporation | 1.375% senior notes | Senior notes
Subsequent Event [Line Items]
Debt interest rate (as a percent)				1.375%
Long-term debt				$ 540,800,000	$ 517,300,000
Subsequent Event | American Tower Corporation | 1.375% senior notes | Senior notes
Subsequent Event [Line Items]
Debt interest rate (as a percent)	1.375%
Debt repaid | €	€ 500.0
Long-term debt			$ 0
Data Center Facility, Denver Colorado | Subsequent Event
Subsequent Event [Line Items]
Total consideration		$ 180,000,000

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